LANCE FOR REMOVING DEPOSITS ADHERING TO THE TUBE SHEET OF A STEAM GENERATOR

LANCE FOR REMOVING DEPOSITS ADHERING TO THE TUBE SHEET OF A STEAM GENERATOR

The invention relates to a lance for removing deposits (8) adhering to the tube sheet (4) of a steam generator (1), comprising a flexible strip (14) which is introducing into intermediate tube areas (12) of the steam generator (1), which has a cleaning head (15) at the free end of the strip, and whi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: POPP, SEBASTIAN, KILIAN, RENATE, STROHMER, FRANZ, STOSS, JOHANNES
Format: Patent
Sprache:eng ; fre
Schlagworte:
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODS OF STEAM GENERATION
STEAM BOILERS
STEAM GENERATION
WEAPONS
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Beschreibung
Zusammenfassung:The invention relates to a lance for removing deposits (8) adhering to the tube sheet (4) of a steam generator (1), comprising a flexible strip (14) which is introducing into intermediate tube areas (12) of the steam generator (1), which has a cleaning head (15) at the free end of the strip, and which comprises at least one water hose (18) that is used to supply a flow of water to the cleaning head. In a use situation, the cleaning head comprises a working face (33) which faces the tube sheet or deposits present thereon, an outlet opening (54) which is fluidically connected to the water hose and opens into the working face, and a mechanical tool (21a, 21b) which acts on the deposits and removes material.